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62 lines
1.6 KiB
ArmAsm
62 lines
1.6 KiB
ArmAsm
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/* longjmp for C-SKY ABIV2.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__longjmp)
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mov a2, a0
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mov a0, a1 /* Get the return value in place. */
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cmpnei a0, 0
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bt have_return
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movi a0, 1 /* Can't let setjmp() return zero! */
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have_return:
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#ifdef CHECK_SP
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ldw r10, (a2, 0) /* Jmpbuf's sp. */
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# ifdef PTR_MANGLE
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PTR_DEMANGLE (r10, r10, a3)
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# endif
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CHECK_SP (r10)
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#endif
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ldw sp, (a2, 0)
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ldw lr, (a2, 4)
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ldw r4, (a2, 8)
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ldw r5, (a2, 12)
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ldw r6, (a2, 16)
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ldw r7, (a2, 20)
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ldw r8, (a2, 24)
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ldw r9, (a2, 28)
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ldw r10, (a2, 32)
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ldw r11, (a2, 36)
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ldw r16, (a2, 40)
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ldw r17, (a2, 44)
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ldw r26, (a2, 48)
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ldw r27, (a2, 52)
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ldw r28, (a2, 56)
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ldw r29, (a2, 60)
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ldw r30, (a2, 64)
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ldw r31, (a2, 68)
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addi a2, 72
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#ifdef PTR_MANGLE
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PTR_DEMANGLE (sp, sp, a3)
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PTR_DEMANGLE2 (lr, lr, a3)
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#endif
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jmp lr
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END (__longjmp)
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